Imagen Niple de Acero Serie 3500 Macho Roscado Markets Aire Fuera de Planta Product Options Part Number Hose Size Male Thread Male Thread Size Material 3501 3502 3504 3505 3506 3508 OA-3512 3509 3510 3511 3512 3513 3514 3515 3516 3518 3512A 15 mm BSP 1/2" Zinc Plated Steel 3514A 20 mm BSP 3/4" Zinc Plated Steel 3518A 25 mm BSP 1" Zinc Plated Steel